Punching device with replaceable punching die background of the invention

Abstract

The present invention relates to a punching device with replaceable punching die, in which, a punching die can be easily replaced since it can be freely taken out of or assembled in a basement and an inserting frame of the punching device without difficulties. Thereby, the consumer can buy plural punching dies with lower cost, and then choose a suitable punching die, based on real needs, to cooperate with the basement.

1 . A punching device with replaceable punching die, comprising: 
 a basement, a side of which is provided with a measurement plane, a recess formed on the measurement plane, in the recess formed with a through hole and plural inserting holes, on a side of the basement adjacent to the recess formed with an assembly portion, a pair of ears respectively formed on both ends of a top edge of the assembly portion;    an inserting frame being a through frame having two open ends, peripheral wall of which is correspondingly inserted in the recess of the basement, plural hooks at lower end of the inserting frame inserted in the inserting holes, plural legs formed on the lower end of the inserting frame so that a space is formed between a side of the lower end of the inserting frame and the basement;    a punching die sequentially provided in an outer shell with a pattern knife, a spring and a die bed, a compression member disposed on top surface of the pattern knife and partially protruded out of the outer shell, a side of the outer shell formed with a feeding hole, via which, paper can be inserted to the space between the pattern knife and the die bed, the punching die can be accommodated in the inserting frame, and the die bed is aligned to the through hole inside the recess;    a compression bar respectively provided at both sides with a shaft that is used to insert in the ears of the basement, a compression rib at a bottom surface of the compression bar employed to abut against the top surface of the compression member.    
     
     
         2 . The punching device with replaceable punching die as claimed in  claim 1 , wherein the measurement plane of the basement is printed with gauge marks for measuring purpose.  
     
     
         3 . The punching device with replaceable punching die as claimed in  claim 1 , wherein a locking hole is formed on a side of the basement that is in communication with the recess, a key can be inserted in the recess via the locking hole, so that the user can raise the punching die easily by rotating the key.